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How can I check a C# variable is an empty string “” or null? [duplicate]
... a check. I have a variable that can be equal to "" or null. Is there just one function that can check if it's not "" or null?
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Retrieve filename from file descriptor in C
...s can have multiple hardlinks pointing to them - this will only report the one it was opened with. If you want to find all names for a given file, you'll just have to traverse the entire filesystem.
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C# Passing Function as Argument [duplicate]
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Using the Func as mentioned above works but there are also delegates that do the same task and also define intent within the naming:
public delegate double MyFunction(double x);
public double Diff(double x, MyFunction f)
{
double h = 0.000000...
Get item in the list in Scala?
...utable ArrayList--you can read, but you can't write without creating a new one.
– Rex Kerr
Feb 13 '11 at 1:05
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Git diff to show only lines that have been modified
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Nice one. Upvote for the clear explanation on each filter.
– henrebotha
Oct 25 '17 at 15:26
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Client-server synchronization pattern / algorithm?
...rver synchronization patterns out there. But i totally failed to google up one.
6 Answers
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File inside jar is not visible for spring
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I had similar problem when using Tomcat6.x and none of the advices I found was helping.
At the end I deleted work folder (of Tomcat) and the problem gone.
I know it is illogical but for documentation purpose...
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How to secure RESTful web services?
... into your web server, and the web server won't accept connections from anyone except the people who have the corresponding private keys for the certs it knows about. It runs on the HTTPS layer, so you may even be able to completely skip application-level authentication like OAuth (depending on you...
Convert decimal to hexadecimal in UNIX shell script
...echo "obase=16; 34" | bc
If you want to filter a whole file of integers, one per line:
( echo "obase=16" ; cat file_of_integers ) | bc
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How do I autoindent in Netbeans?
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Tried it with a minified file (all code on one line) and won't indent anything: the whole file stays on one line.
– Marco Marsala
May 12 '16 at 6:27
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